Which of the following is one of the stages of prenatal development?

Another weakness of one way ANOVA is that it:

a. Doesn't examine between groups variance b. Doesn't examine within group variance c. Doesn't tell us about group differences d. Doesn't tell us which means differ

Using Gibson’s and Walk’s visual cliff test, researchers determined that infants who have just begun to crawl will crawl out over the “deep” side, whereas those who have been crawling for at least two weeks avoid it. Researchers hypothesized that the action of crawling allows infants to figure out how to use __________

a. optic flow information b. habituation c. their eyes to see stereoscopically d. fine motor movements